This bachelor‘s thesis deals with solid fuel boilers for house heating. It contains information about boilers using fossil fuels and various forms of biomass. The first part is devoted to the search retrieval of solid fuels currently used. Their properties, composition, important technical characteristics and parameters and also their environmental impact are described and explained in this part. The second part contains a brief description and distribution of solid fuel boilers for house heating, comparision of varios types of boilers and an overview of the market for solid fuel boilers in the Czech Republic. The last part of this thesis focuses on calculating and comparing the costs of each type of boiler for the selected reference house